Hydrogen peroxide aqueous solution purification device

Abstract

The utility model provides a hydrogen peroxide aqueous solution purification device which comprises a tank body, a liquid inlet pipe is connected to the upper portion of the tank body, a liquid discharge pipe is connected to the bottom of the tank body, a partition plate located below the liquid inlet pipe is arranged in the tank body, and a plurality of filter cartridges which are annularly distributed and detachably connected with the partition plate in a sealed mode are installed on the partition plate. A rotatable tank cover is mounted at the upper end of the tank body, the tank cover is provided with a pick-and-place opening which can be concentric with any filter cartridge, the lower end of the pick-and-place opening is connected with a telescopic sleeve which is concentric with the pick-and-place opening and can stretch out and draw back, and the lower end of the telescopic sleeve can tightly press the partition plate. According to the invention, the filter cartridge can be cleaned without stopping the purification work, so that the purification efficiency of the hydrogen peroxide aqueous solution can be improved.

Description

Technical Field

[0001] The present application relates to a hydrogen peroxide aqueous solution production technology, and in particular to a hydrogen peroxide aqueous solution purification device. Background Art

[0002] In the production of aqueous hydrogen peroxide solution, the rare aqueous hydrogen peroxide solution needs to be purified by a purification device before concentration to remove impurities (such as aluminum oxide powder, phosphates, etc.) in the aqueous hydrogen peroxide solution and improve the quality of the aqueous hydrogen peroxide solution.

[0003] Currently, a purification device commonly used to purify aqueous hydrogen peroxide solutions includes a tank body with a filter screen bolted to the inside. An inlet pipe is located above the filter screen, and a drain pipe is located at the bottom of the tank body. During use, the aqueous hydrogen peroxide solution falls from the inlet pipe onto the filter screen, where the filter screen intercepts impurities in the aqueous hydrogen peroxide solution, purifying the aqueous hydrogen peroxide solution. The purified aqueous hydrogen peroxide solution is then discharged through the drain pipe.

[0004] To ensure purification efficiency, the filter needs to be cleaned of impurities after a certain period of use. Currently, when cleaning the filter, it is necessary to first stop the purification of the hydrogen peroxide solution, then remove the tank cover, and manually clean the impurities on the filter using auxiliary tools, or remove the filter to clean the filter. However, stopping the purification process and then cleaning the filter will reduce the purification efficiency of the hydrogen peroxide solution. Utility Model Content

[0005] The present application provides a hydrogen peroxide aqueous solution purification device to solve the problem that the existing hydrogen peroxide aqueous solution purification device needs to stop the purification work when cleaning the filter, thereby affecting the purification efficiency.

[0006] The present application provides a hydrogen peroxide aqueous solution purification device, comprising a tank body, wherein the upper portion of the tank body is connected to a liquid inlet pipe, and the bottom of the tank body is connected to a liquid discharge pipe;

[0007] The interior of the tank body is provided with a partition located below the liquid inlet pipe, and a plurality of filter cartridges are installed on the partition in an annular distribution and detachably sealed connection with the partition;

[0008] A rotatable tank cover is installed at the upper end of the tank body, and the tank cover has a take-in and put-out port that can be concentric with any filter cartridge. The lower end of the take-in and put-out port is connected to a telescopic sleeve that is concentric with the take-in and put-out port and can be telescopic, and the lower end of the telescopic sleeve can press the partition tightly.

[0009] Optionally, the tank cover is rotatably connected to the upper end of the tank body through a bearing, the tank cover is provided with limiting holes having the same number as the filter cartridges and corresponding to each other, and the tank body is provided with a limiting bolt that can be inserted into any limiting hole;

[0010] Wherein, after the telescopic sleeve is located directly above any filter cartridge, the limiting bolt can be inserted into the limiting hole corresponding to the filter cartridge.

[0011] Optionally, the telescopic sleeve includes a corrugated rubber tube, a pressure ring is fixed to the lower end of the corrugated rubber tube, and the upper end of the corrugated rubber tube is fixedly connected to the lower end of the access port;

[0012] Two symmetrically distributed electric push rods are fixed to the lower end of the tank cover, and the free ends of the electric push rods are fixedly connected to the pressure ring.

[0013] Optionally, a rubber pad adapted to the lower end of the pressure ring is fixed.

[0014] Optionally, the filter cartridge is a truncated cone structure with a large diameter end open;

[0015] The large diameter end of the filter cartridge is provided with a mounting sleeve adapted to the filter cartridge, and the filter cartridge can be plugged into the mounting sleeve and pressed tightly against the inner wall of the mounting sleeve;

[0016] The mounting sleeve passes through the partition and is sealed and fixedly connected to the partition.

[0017] Optionally, the inner wall of the mounting sleeve is provided with a rubber layer adapted thereto.

[0018] Optionally, a handle is fixed to the inner upper portion of the filter cartridge.

[0019] Optionally, a sealing cover that can be opened and closed is installed at the upper end of the access opening.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] The hydrogen peroxide aqueous solution purification device provided by the present application has a partition located below the liquid inlet pipe through the interior of the tank body, and a plurality of filter cartridges distributed in an annular shape and detachably sealed with the partition are installed on the partition. A rotatable tank cover is installed at the upper end of the tank body, and the tank cover has a take-in and put-out port that can be concentric with any filter cartridge. The lower end of the take-in and put-out port is connected to a telescopic sleeve that is concentric with the take-in and put-out port and can be retracted, and the lower end of the telescopic sleeve can press the partition tightly, so that when the filter cartridge needs to be cleaned, the tank cover is rotated first, and the telescopic sleeve rotates synchronously with the tank cover, and the telescopic sleeve is rotated to be directly above the filter cartridge that needs to be cleaned. , then move the lower end of the telescopic sleeve downward and press the partition to block the hydrogen oxide solution from flowing into the filter cartridge, then take out the filter cartridge from the access port and clean the filter cartridge. After the filter cartridge is cleaned, install the filter cartridge from the access port to the partition, and finally move the lower end of the telescopic sleeve upward. The filter cartridge can continue to intercept impurities in the hydrogen oxide solution. Compared with the existing cleaning method, since the telescopic sleeve can block the hydrogen oxide solution from flowing into any filter cartridge, it is not necessary to stop the purification work and clean any filter cartridge, thereby improving the purification efficiency of the hydrogen oxide solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0023] Figure 1 This is a schematic diagram of the main structure of the hydrogen peroxide aqueous solution purification device provided in an embodiment of the present application;

[0024] Figure 2 A schematic diagram of a partial top view of the structure of a hydrogen peroxide aqueous solution purification device provided in an embodiment of the present application;

[0025] Figure 3 A schematic diagram of a partial cross-sectional structure of a hydrogen peroxide aqueous solution purification device provided in an embodiment of the present application;

[0026] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of area A;

[0027] Figure 5 for Figure 3 Schematic diagram of the enlarged structure of region B;

[0028] Figure 6 This is a schematic diagram of the partial three-dimensional structure of the hydrogen peroxide aqueous solution purification device provided in an embodiment of the present application.

[0029] Explanation of the accompanying reference numerals: tank body 1, liquid inlet pipe 2, liquid discharge pipe 3, partition 4, filter cartridge 5, tank cover 6, take-out port 7, telescopic sleeve 8, corrugated rubber tube 81, pressure ring 82, limit hole 9, limit bolt 10, mounting seat 11, electric push rod 12, rubber pad 13, mounting sleeve 14, handle 15, sealing cover 16. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application are clearly and completely described below. Obviously, the described embodiments are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts also fall within the scope of protection of this application.

[0031] like Figures 1-6 As shown:

[0032] A hydrogen peroxide aqueous solution purification device provided in one embodiment of the present application includes a tank body 1 , an upper portion of the tank body 1 is connected to a liquid inlet pipe 2 , and a bottom portion of the tank body 1 is connected to a liquid discharge pipe 3 .

[0033] Furthermore, a bracket for supporting the tank body 1 is fixed to the bottom of the tank body 1 .

[0034] The interior of the tank body 1 is provided with a partition 4 located below the liquid inlet pipe 2. Specifically, the edge of the partition 4 is sealed and fixedly connected to the inner wall of the tank body 1. A plurality of filter cartridges 5 are mounted on the partition 4 and are distributed in an annular shape and are detachably and sealedly connected to the partition 4.

[0035] A rotatable tank cover 6 is installed at the upper end of the tank body 1. The tank cover 6 has a take-out port 7 that is concentric with any filter cartridge 5. The lower end of the take-out port 7 is connected to a telescopic sleeve 8 that is concentric with it and can be telescopic, and the lower end of the telescopic sleeve 8 can press the partition 4 tightly.

[0036] During use, the hydrogen peroxide solution to be purified falls from the liquid inlet pipe 2 onto the partition 4, and then flows into each filter cartridge 5. The filter cartridge 5 intercepts impurities in the hydrogen peroxide solution, thereby purifying the hydrogen peroxide solution. The purified hydrogen peroxide solution falls to the bottom of the tank body 1 and is discharged from the drain pipe 3 to enter the next step.

[0037] When the filter cartridge 5 needs to be cleaned, the tank cover 6 is first rotated, and the telescopic sleeve 8 rotates synchronously with the tank cover 6. The telescopic sleeve 8 is rotated to the top of the filter cartridge 5 that needs to be cleaned, and then the lower end of the telescopic sleeve 8 is moved down and pressed against the partition 4 to block the hydrogen oxide solution from flowing into the filter cartridge 5. Then, the filter cartridge 5 is taken out from the take-in and put-out port 7 and cleaned. After the filter cartridge 5 is cleaned, the filter cartridge 5 is installed on the partition 4 from the take-in and put-out port 7. Finally, the lower end of the telescopic sleeve 8 is moved up, and the filter cartridge 5 can continue to intercept impurities in the hydrogen oxide solution.

[0038] The hydrogen peroxide aqueous solution purification device provided in this embodiment has a partition 4 located below the liquid inlet pipe 2 provided inside the tank body 1. A plurality of filter cartridges 5 distributed in an annular pattern and detachably and sealedly connected to the partition 4 are mounted on the partition 4. A rotatable tank cover 6 is mounted on the upper end of the tank body 1. The tank cover 6 has a take-in and put-out opening 7 that is concentric with any one of the filter cartridges 5. The lower end of the take-in and put-out opening 7 is connected to a telescopic sleeve 8 that is concentric with the take-in and put-out opening 7 and is retractable. The lower end of the telescopic sleeve 8 can press against the partition 4. When cleaning the filter cartridges 5, the telescopic sleeve 8 can block the flow of hydrogen peroxide aqueous solution into any one of the filter cartridges 5. Therefore, any one of the filter cartridges 5 can be cleaned without stopping the purification process, thereby improving the purification efficiency of the hydrogen peroxide aqueous solution.

[0039] In some embodiments of the present application, the tank cover 6 is rotatably connected to the upper end of the tank body 1 via a bearing. Specifically, the tank cover 6 is sleeved on the upper end of the tank body 1 and rotatably connected to the tank body 1 via a bearing. The tank cover 6 is provided with the same number of limiting holes 9 as the filter cartridges 5 and in a one-to-one correspondence. Specifically, the limiting holes 9 are located at the lower end of the tank cover 6. The tank body 1 is equipped with a limiting bolt 10 that can be inserted into any of the limiting holes 9. Specifically, a mounting seat 11 is fixed to the outer wall of the tank body 1, and the limiting bolt 10 passes through the mounting seat 11 and is threadedly connected to the mounting seat 11.

[0040] Among them, after the telescopic sleeve 8 is located directly above any filter cartridge 5, the limit bolt 10 can be inserted into the limit hole 9 corresponding to the filter cartridge 5, and then the tank cover 6 can be limited and locked, so that when cleaning the filter cartridge 5, the tank cover 6 will not rotate at will, affecting the cleaning work of the filter cartridge 5.

[0041] In some embodiments of the present application, the telescopic sleeve 8 includes a corrugated rubber tube 81 , the lower end of the corrugated rubber tube 81 is sealed and fixed with a pressure ring 82 , and the upper end of the corrugated rubber tube 81 is sealed and fixedly connected to the lower end of the take-in / put-out port 7 .

[0042] Two symmetrically distributed electric push rods 12 are fixed to the lower end of the tank cover 6, and the free ends of the electric push rods 12 are fixedly connected to the pressure ring 82.

[0043] Furthermore, in order to facilitate taking out and placing the filter cartridge 5 , the diameter of the taking-out opening 7 , the inner diameter of the corrugated rubber tube 81 and the inner diameter of the pressure ring 82 are all larger than the outer diameter of the filter cartridge 5 .

[0044] During use, the two electric push rods 12 move synchronously, the two electric push rods 12 extend synchronously, the pressure ring 82 moves downward, and the corrugated rubber tube 81 extends. When the pressure ring 82 is pressed tightly against the partition 4, the movement of the pressure ring 82 can be stopped, and the hydrogen peroxide solution is blocked from flowing into the filter cartridge 5 below it; the two electric push rods 12 shorten synchronously, the pressure ring 82 moves upward, and the corrugated rubber tube 81 shortens. When the pressure ring 82 moves upward a certain distance, the filter cartridge 5 below the pressure ring 82 can normally intercept impurities in the hydrogen peroxide solution.

[0045] In order to improve the sealing effect between the pressure ring 82 and the partition 4, in some embodiments of the present application, a rubber pad 13 adapted to the lower end of the pressure ring 82 is fixed.

[0046] In some embodiments of the present application, the filter cartridge 5 is a truncated cone-shaped structure with an open end at a large diameter.

[0047] The large diameter end of the filter cartridge 5 is sleeved with a mounting sleeve 14 that matches the filter cartridge 5 , and the filter cartridge 5 can be plugged into the mounting sleeve 14 and pressed against the inner wall of the mounting sleeve 14 . Specifically, the interior of the mounting sleeve 14 is a truncated cone structure that matches the filter cartridge 5 .

[0048] The mounting sleeve 14 passes through the partition 4 and is sealed and fixedly connected to the partition 4 .

[0049] Furthermore, the upper end of the mounting sleeve 14 is flush with the upper end of the partition 4, and the large-diameter end of the filter cartridge 5 is located inside the mounting sleeve 14, so that after the telescopic sleeve 8 is pressed against the partition 4, the hydrogen peroxide aqueous solution inside the telescopic sleeve 8 can all enter the filter cartridge 5. Then, after the filter cartridge 5 is removed, the unpurified hydrogen peroxide aqueous solution will not flow from the mounting sleeve 14 into the bottom of the tank body 1.

[0050] In this embodiment, by providing a truncated cone filter cartridge 5 and plugging the filter cartridge 5 into the mounting sleeve 14, the filter cartridge 5 can be fixed in position and easily removed. In addition, the truncated cone filter cartridge 5 can increase the filtration area.

[0051] In some embodiments of the present application, the inner wall of the mounting sleeve 14 is provided with a rubber layer (not shown in the figure) adapted thereto, for improving the sealing effect between the mounting sleeve 14 and the filter cartridge 5 .

[0052] In some embodiments of the present application, a handle 15 is fixed to the inner upper portion of the filter cartridge 5 to facilitate taking and placing the filter cartridge 5 .

[0053] In some embodiments of the present application, a sealing cover 16 that can be opened and closed is installed at the upper end of the access opening 7 to prevent external impurities from entering the tank body 1.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A hydrogen peroxide aqueous solution purification device, comprising a tank body (1), wherein the upper portion of the tank body (1) is connected to a liquid inlet pipe (2), and the bottom of the tank body (1) is connected to a liquid discharge pipe (3), characterized in that: The interior of the tank body (1) is provided with a partition (4) located below the liquid inlet pipe (2), and a plurality of filter cartridges (5) distributed in an annular shape and detachably sealed to the partition (4) are mounted on the partition (4); A rotatable tank cover (6) is installed at the upper end of the tank body (1), and the tank cover (6) is provided with a take-in / put-out opening (7) which is concentric with any filter cartridge (5), and a telescopic sleeve (8) which is concentric with the take-in / put-out opening (7) and can be telescoped is connected to the lower end of the telescopic sleeve (8), and the lower end of the telescopic sleeve (8) can press the partition (4) tightly.

2. The hydrogen peroxide aqueous solution purification device according to claim 1, characterized in that: The tank cover (6) is rotatably connected to the upper end of the tank body (1) via a bearing, the tank cover (6) is provided with limiting holes (9) the same number as the number of the filter cartridges (5) and corresponding to each other, and the tank body (1) is provided with a limiting bolt (10) capable of being inserted into any of the limiting holes (9); Wherein, after the telescopic sleeve (8) is located directly above any filter cartridge (5), the limiting bolt (10) can be inserted into the limiting hole (9) corresponding to the filter cartridge (5).

3. The hydrogen peroxide aqueous solution purification device according to claim 2, characterized in that: The telescopic sleeve (8) comprises a corrugated rubber tube (81), a pressure ring (82) is fixed to the lower end of the corrugated rubber tube (81), and the upper end of the corrugated rubber tube (81) is fixedly connected to the lower end of the take-in / put-out port (7); Two symmetrically distributed electric push rods (12) are fixed to the lower end of the tank cover (6), and the free ends of the electric push rods (12) are fixedly connected to the pressure ring (82).

4. The hydrogen peroxide aqueous solution purification device according to claim 3, characterized in that: A rubber pad (13) adapted to the lower end of the pressure ring (82) is fixed.

5. The hydrogen peroxide aqueous solution purification device according to any one of claims 1 to 4, characterized in that: The filter cartridge (5) is a truncated cone-shaped structure with an open end at a large diameter; The large-diameter end of the filter cartridge (5) is sleeved with a mounting sleeve (14) adapted to the filter cartridge (5), and the filter cartridge (5) can be plugged into the mounting sleeve (14) and pressed against the inner wall of the mounting sleeve (14); The mounting sleeve (14) passes through the partition (4) and is sealed and fixedly connected to the partition (4).

6. The hydrogen peroxide aqueous solution purification device according to claim 5, characterized in that: The inner wall of the mounting sleeve (14) is provided with a rubber layer adapted thereto.

7. The hydrogen peroxide aqueous solution purification device according to claim 1, characterized in that: A handle (15) is fixed to the inner upper portion of the filter cartridge (5).

8. The hydrogen peroxide aqueous solution purification device according to claim 1, characterized in that: The upper end of the access opening (7) is provided with a sealing cover (16) that can be opened and closed.

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